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[202111][nvidia] Place FW binaries under platform directory instead of squashfs#92

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stepanblyschak wants to merge 1 commit into202111from
2111-new-fw-loc
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[202111][nvidia] Place FW binaries under platform directory instead of squashfs#92
stepanblyschak wants to merge 1 commit into202111from
2111-new-fw-loc

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Upgrade from old image always requires squashfs mount to get the next image FW binary. This can be avoided if we put FW binary under platform directory which is easily accessible after installation:

admin@r-spider-05:~$ ls /host/image-fw-new-loc.0-dirty-20230208.193534/platform/fw-SPC.mfa
/host/image-fw-new-loc.0-dirty-20230208.193534/platform/fw-SPC.mfa
admin@r-spider-05:~$ ls -al /tmp/image-fw-new-loc.0-dirty-20230208.193534-fs/etc/mlnx/fw-SPC.mfa
lrwxrwxrwx 1 root root 66 Feb  8 17:57 /tmp/image-fw-new-loc.0-dirty-20230208.193534-fs/etc/mlnx/fw-SPC.mfa -> /host/image-fw-new-loc.0-dirty-20230208.193534/platform/fw-SPC.mfa

Signed-off-by: Stepan Blyschak [email protected]

Why I did it

202211 and above uses different squashfs compression type that 201911 kernel can not handle. Therefore, we avoid mounting squashfs altogather with this change.

How I did it

  • Place FW binary under /host/image-/platform/mlnx/, soft links in /etc/mlnx are created to avoid breaking existing scripts/automation.
  • /etc/mlnx/fw-SPCX.mfa is a soft link always pointing to the FW that should be used in current image
  • mlnx-fw-upgrade.sh is updated to prefer /host/image-/platform/mlnx location and fallback to /etc/mlnx in squashfs in case new location does not exist. This is neccessary to do image downgrade.

How to verify it

  • Upgrade from 201911 to master
  • master to 201911 downgrade
  • master -> master reboot
  • ONIE -> master boot (First FW burn)

Which release branch to backport (provide reason below if selected)

  • 201811
  • 201911
  • 202006
  • 202012
  • 202106
  • 202111
  • 202205
  • 202211

Description for the changelog

Ensure to add label/tag for the feature raised. example - PR#2174 under sonic-utilities repo. where, Generic Config and Update feature has been labelled as GCU.

Link to config_db schema for YANG module changes

A picture of a cute animal (not mandatory but encouraged)

Upgrade from old image always requires squashfs mount to get the next
image FW binary. This can be avoided if we put FW binary under platform
directory which is easily accessible after installation:

```
admin@r-spider-05:~$ ls /host/image-fw-new-loc.0-dirty-20230208.193534/platform/fw-SPC.mfa
/host/image-fw-new-loc.0-dirty-20230208.193534/platform/fw-SPC.mfa
admin@r-spider-05:~$ ls -al /tmp/image-fw-new-loc.0-dirty-20230208.193534-fs/etc/mlnx/fw-SPC.mfa
lrwxrwxrwx 1 root root 66 Feb  8 17:57 /tmp/image-fw-new-loc.0-dirty-20230208.193534-fs/etc/mlnx/fw-SPC.mfa -> /host/image-fw-new-loc.0-dirty-20230208.193534/platform/fw-SPC.mfa
```

Signed-off-by: Stepan Blyschak <[email protected]>
stepanblyschak pushed a commit that referenced this pull request Aug 6, 2025
…ically (sonic-net#23472)

#### Why I did it
src/sonic-dash-ha
```
* 3d9b38f - (HEAD -> master, origin/master, origin/HEAD) Rename disable to disabled in ha_scope table (#93) (14 hours ago) [yue-fred-gao]
* 01f9bf5 - Add semgrep static analysis tool to find security vulnerabilities. (#90) (25 hours ago) [Mai Bui]
* 4121247 - Use vnet_name from DASH_HA_GLOBAL_CONFIG to create vnet route (#92) (30 hours ago) [yue-fred-gao]
```
#### How I did it
#### How to verify it
#### Description for the changelog
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